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>> 26 // $Id: G4PenelopePhotoElectricModel.cc,v 1.6 2010-12-15 10:26:41 pandola Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // Author: Luciano Pandola 29 // Author: Luciano Pandola
28 // 30 //
29 // History: 31 // History:
30 // -------- 32 // --------
31 // 08 Jan 2010 L Pandola First implementati 33 // 08 Jan 2010 L Pandola First implementation
32 // 01 Feb 2011 L Pandola Suppress fake ener << 34 // 01 Feb 2011 L Pandola Suppress fake energy-violation warning when Auger is active.
33 // is active. << 35 // Make sure that fluorescence/Auger is generated only if
34 // Make sure that flu << 36 // above threshold
35 // only if above thre <<
36 // 25 May 2011 L Pandola Renamed (make v200 37 // 25 May 2011 L Pandola Renamed (make v2008 as default Penelope)
37 // 10 Jun 2011 L Pandola Migrate atomic dee 38 // 10 Jun 2011 L Pandola Migrate atomic deexcitation interface
38 // 07 Oct 2011 L Pandola Bug fix (potential 39 // 07 Oct 2011 L Pandola Bug fix (potential violation of energy conservation)
39 // 27 Sep 2013 L Pandola Migrate to MT para <<
40 // tables. <<
41 // 02 Oct 2013 L Pandola Rewrite sampling a <<
42 // to improve CPU per <<
43 // 40 //
44 41
45 #include "G4PenelopePhotoElectricModel.hh" 42 #include "G4PenelopePhotoElectricModel.hh"
46 #include "G4PhysicalConstants.hh" <<
47 #include "G4SystemOfUnits.hh" <<
48 #include "G4ParticleDefinition.hh" 43 #include "G4ParticleDefinition.hh"
49 #include "G4MaterialCutsCouple.hh" 44 #include "G4MaterialCutsCouple.hh"
50 #include "G4DynamicParticle.hh" 45 #include "G4DynamicParticle.hh"
51 #include "G4PhysicsTable.hh" 46 #include "G4PhysicsTable.hh"
52 #include "G4PhysicsFreeVector.hh" 47 #include "G4PhysicsFreeVector.hh"
53 #include "G4ElementTable.hh" 48 #include "G4ElementTable.hh"
54 #include "G4Element.hh" 49 #include "G4Element.hh"
55 #include "G4AtomicTransitionManager.hh" 50 #include "G4AtomicTransitionManager.hh"
56 #include "G4AtomicShell.hh" 51 #include "G4AtomicShell.hh"
57 #include "G4Gamma.hh" 52 #include "G4Gamma.hh"
58 #include "G4Electron.hh" 53 #include "G4Electron.hh"
59 #include "G4AutoLock.hh" <<
60 #include "G4LossTableManager.hh" 54 #include "G4LossTableManager.hh"
61 #include "G4Exp.hh" <<
62 55
63 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
64 57
65 const G4int G4PenelopePhotoElectricModel::fMax <<
66 G4PhysicsTable* G4PenelopePhotoElectricModel:: <<
67 58
68 //....oooOO0OOooo........oooOO0OOooo........oo << 59 G4PenelopePhotoElectricModel::G4PenelopePhotoElectricModel(const G4ParticleDefinition*,
69 <<
70 G4PenelopePhotoElectricModel::G4PenelopePhotoE <<
71 const G4String& nam) 60 const G4String& nam)
72 :G4VEmModel(nam),fParticleChange(nullptr),fP << 61 :G4VEmModel(nam),fParticleChange(0),isInitialised(false),fAtomDeexcitation(0),
73 fAtomDeexcitation(nullptr),fIsInitialised(f << 62 logAtomicShellXS(0)
74 { 63 {
75 fIntrinsicLowEnergyLimit = 100.0*eV; 64 fIntrinsicLowEnergyLimit = 100.0*eV;
76 fIntrinsicHighEnergyLimit = 100.0*GeV; 65 fIntrinsicHighEnergyLimit = 100.0*GeV;
77 // SetLowEnergyLimit(fIntrinsicLowEnergyLim 66 // SetLowEnergyLimit(fIntrinsicLowEnergyLimit);
78 SetHighEnergyLimit(fIntrinsicHighEnergyLimit 67 SetHighEnergyLimit(fIntrinsicHighEnergyLimit);
79 // 68 //
80 << 69 verboseLevel= 0;
81 if (part) <<
82 SetParticle(part); <<
83 <<
84 fVerboseLevel= 0; <<
85 // Verbosity scale: 70 // Verbosity scale:
86 // 0 = nothing << 71 // 0 = nothing
87 // 1 = warning for energy non-conservation << 72 // 1 = warning for energy non-conservation
88 // 2 = details of energy budget 73 // 2 = details of energy budget
89 // 3 = calculation of cross sections, file o 74 // 3 = calculation of cross sections, file openings, sampling of atoms
90 // 4 = entering in methods 75 // 4 = entering in methods
91 76
92 //Mark this model as "applicable" for atomic 77 //Mark this model as "applicable" for atomic deexcitation
93 SetDeexcitationFlag(true); 78 SetDeexcitationFlag(true);
94 79
95 fTransitionManager = G4AtomicTransitionManag 80 fTransitionManager = G4AtomicTransitionManager::Instance();
96 } 81 }
97 82
98 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
99 84
100 G4PenelopePhotoElectricModel::~G4PenelopePhoto 85 G4PenelopePhotoElectricModel::~G4PenelopePhotoElectricModel()
101 { << 86 {
102 if (IsMaster() || fLocalTable) << 87 std::map <const G4int,G4PhysicsTable*>::iterator i;
>> 88 if (logAtomicShellXS)
103 { 89 {
104 for(G4int i=0; i<=fMaxZ; ++i) << 90 for (i=logAtomicShellXS->begin();i != logAtomicShellXS->end();i++)
105 { 91 {
106 if(fLogAtomicShellXS[i]) { << 92 G4PhysicsTable* tab = i->second;
107 fLogAtomicShellXS[i]->clearAndDestroy(); << 93 tab->clearAndDestroy();
108 delete fLogAtomicShellXS[i]; << 94 delete tab;
109 fLogAtomicShellXS[i] = nullptr; <<
110 } <<
111 } 95 }
112 } 96 }
>> 97 delete logAtomicShellXS;
113 } 98 }
114 99
115 //....oooOO0OOooo........oooOO0OOooo........oo 100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
116 101
117 void G4PenelopePhotoElectricModel::Initialise( 102 void G4PenelopePhotoElectricModel::Initialise(const G4ParticleDefinition* particle,
118 const G4DataVector& cuts) 103 const G4DataVector& cuts)
119 { 104 {
120 if (fVerboseLevel > 3) << 105 if (verboseLevel > 3)
121 G4cout << "Calling G4PenelopePhotoElectri 106 G4cout << "Calling G4PenelopePhotoElectricModel::Initialise()" << G4endl;
122 107
123 fAtomDeexcitation = G4LossTableManager::Inst << 108 // logAtomicShellXS is created only once, since it is never cleared
124 //Issue warning if the AtomicDeexcitation ha << 109 if (!logAtomicShellXS)
125 if (!fAtomDeexcitation) << 110 logAtomicShellXS = new std::map<const G4int,G4PhysicsTable*>;
126 { <<
127 G4cout << G4endl; <<
128 G4cout << "WARNING from G4PenelopePhotoE <<
129 G4cout << "Atomic de-excitation module i <<
130 G4cout << "any fluorescence/Auger emissi <<
131 G4cout << "Please make sure this is inte <<
132 } <<
133 <<
134 SetParticle(particle); <<
135 <<
136 //Only the master model creates/fills/destro <<
137 if (IsMaster() && particle == fParticle) <<
138 { <<
139 G4ProductionCutsTable* theCoupleTable = <<
140 G4ProductionCutsTable::GetProductionCutsTabl <<
141 <<
142 for (G4int i=0;i<(G4int)theCoupleTable-> <<
143 { <<
144 const G4Material* material = <<
145 theCoupleTable->GetMaterialCutsCouple(i) <<
146 const G4ElementVector* theElementVector = <<
147 <<
148 for (std::size_t j=0;j<material->GetNumber <<
149 { <<
150 G4int iZ = theElementVector->at(j)->Ge <<
151 //read data files only in the master <<
152 if (!fLogAtomicShellXS[iZ]) <<
153 ReadDataFile(iZ); <<
154 } <<
155 } <<
156 111
157 InitialiseElementSelectors(particle,cuts << 112 InitialiseElementSelectors(particle,cuts);
>> 113 fAtomDeexcitation = G4LossTableManager::Instance()->AtomDeexcitation();
158 114
159 if (fVerboseLevel > 0) { << 115 if (verboseLevel > 0) {
160 G4cout << "Penelope Photo-Electric model v20 << 116 G4cout << "Penelope Photo-Electric model v2008 is initialized " << G4endl
161 << "Energy range: " << 117 << "Energy range: "
162 << LowEnergyLimit() / MeV << " MeV - << 118 << LowEnergyLimit() / MeV << " MeV - "
163 << HighEnergyLimit() / GeV << " GeV"; << 119 << HighEnergyLimit() / GeV << " GeV";
164 } << 120 }
165 } <<
166 121
167 if(fIsInitialised) return; << 122 if(isInitialised) return;
168 fParticleChange = GetParticleChangeForGamma( 123 fParticleChange = GetParticleChangeForGamma();
169 fIsInitialised = true; << 124 isInitialised = true;
170 125
171 } 126 }
172 127
173 void G4PenelopePhotoElectricModel::InitialiseL <<
174 G4VEmModel *masterModel) <<
175 { <<
176 if (fVerboseLevel > 3) <<
177 G4cout << "Calling G4PenelopePhotoElectri <<
178 // <<
179 //Check that particle matches: one might hav <<
180 //for e+ and e-). <<
181 // <<
182 if (part == fParticle) <<
183 { <<
184 SetElementSelectors(masterModel->GetElem <<
185 <<
186 //Get the const table pointers from the <<
187 const G4PenelopePhotoElectricModel* theM <<
188 static_cast<G4PenelopePhotoElectricModel*> ( <<
189 for(G4int i=0; i<=fMaxZ; ++i) <<
190 fLogAtomicShellXS[i] = theModel->fLogAtomicS <<
191 //Same verbosity for all workers, as the <<
192 fVerboseLevel = theModel->fVerboseLevel; <<
193 } <<
194 <<
195 return; <<
196 } <<
197 <<
198 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
199 namespace { G4Mutex PenelopePhotoElectricMode << 129
200 G4double G4PenelopePhotoElectricModel::Compute 130 G4double G4PenelopePhotoElectricModel::ComputeCrossSectionPerAtom(
201 const G4ParticleDefinition*, 131 const G4ParticleDefinition*,
202 G4double energy, 132 G4double energy,
203 G4double Z, G4double, 133 G4double Z, G4double,
204 G4double, G4double) 134 G4double, G4double)
205 { 135 {
206 // 136 //
207 // Penelope model v2008 137 // Penelope model v2008
208 // 138 //
209 if (fVerboseLevel > 3) <<
210 G4cout << "Calling ComputeCrossSectionPerA <<
211 139
212 G4int iZ = G4int(Z); << 140 if (verboseLevel > 3)
>> 141 G4cout << "Calling ComputeCrossSectionPerAtom() of G4PenelopePhotoElectricModel" << G4endl;
213 142
214 if (!fLogAtomicShellXS[iZ]) << 143 G4int iZ = (G4int) Z;
215 { <<
216 //If we are here, it means that Initiali <<
217 //not filled up. This can happen in a Un <<
218 if (fVerboseLevel > 0) <<
219 { <<
220 //Issue a G4Exception (warning) only in ve <<
221 G4ExceptionDescription ed; <<
222 ed << "Unable to retrieve the shell cross <<
223 ed << "This can happen only in Unit Tests <<
224 G4Exception("G4PenelopePhotoElectricModel: <<
225 "em2038",JustWarning,ed); <<
226 } <<
227 //protect file reading via autolock <<
228 G4AutoLock lock(&PenelopePhotoElectricMo <<
229 ReadDataFile(iZ); <<
230 lock.unlock(); <<
231 } <<
232 144
>> 145 //read data files
>> 146 if (!logAtomicShellXS->count(iZ))
>> 147 ReadDataFile(iZ);
>> 148 //now it should be ok
>> 149 if (!logAtomicShellXS->count(iZ))
>> 150 G4Exception("G4PenelopePhotoElectricModel::ComputeCrossSectionPerAtom()",
>> 151 "em2038",FatalException,
>> 152 "Unable to retrieve the shell cross section table");
>> 153
233 G4double cross = 0; 154 G4double cross = 0;
234 G4PhysicsTable* theTable = fLogAtomicShellX << 155
>> 156 G4PhysicsTable* theTable = logAtomicShellXS->find(iZ)->second;
235 G4PhysicsFreeVector* totalXSLog = (G4Physics 157 G4PhysicsFreeVector* totalXSLog = (G4PhysicsFreeVector*) (*theTable)[0];
236 158
237 if (!totalXSLog) 159 if (!totalXSLog)
238 { 160 {
239 G4Exception("G4PenelopePhotoElectricMod 161 G4Exception("G4PenelopePhotoElectricModel::ComputeCrossSectionPerAtom()",
240 "em2039",FatalException, 162 "em2039",FatalException,
241 "Unable to retrieve the total cross sec << 163 "Unable to retrieve the total cross section table");
242 return 0; 164 return 0;
243 } 165 }
244 G4double logene = G4Log(energy); << 166 G4double logene = std::log(energy);
245 G4double logXS = totalXSLog->Value(logene); 167 G4double logXS = totalXSLog->Value(logene);
246 cross = G4Exp(logXS); << 168 cross = std::exp(logXS);
247 << 169
248 if (fVerboseLevel > 2) << 170 if (verboseLevel > 2)
249 G4cout << "Photoelectric cross section at 171 G4cout << "Photoelectric cross section at " << energy/MeV << " MeV for Z=" << Z <<
250 " = " << cross/barn << " barn" << G4endl 172 " = " << cross/barn << " barn" << G4endl;
251 return cross; 173 return cross;
252 } 174 }
253 175
254 //....oooOO0OOooo........oooOO0OOooo........oo 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
255 177
256 void G4PenelopePhotoElectricModel::SampleSecon 178 void G4PenelopePhotoElectricModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
257 const G4MaterialCutsCouple* c 179 const G4MaterialCutsCouple* couple,
258 const G4DynamicParticle* aDyn 180 const G4DynamicParticle* aDynamicGamma,
259 G4double, 181 G4double,
260 G4double) 182 G4double)
261 { 183 {
262 // 184 //
263 // Photoelectric effect, Penelope model v200 185 // Photoelectric effect, Penelope model v2008
264 // 186 //
265 // The target atom and the target shell are << 187 // The target atom and the target shell are sampled according to the Livermore
266 // database << 188 // database
267 // D.E. Cullen et al., Report UCRL-50400 (1 189 // D.E. Cullen et al., Report UCRL-50400 (1989)
268 // The angular distribution of the electron << 190 // The angular distribution of the electron in the final state is sampled
269 // according to the Sauter distribution from << 191 // according to the Sauter distribution from
270 // F. Sauter, Ann. Phys. 11 (1931) 454 192 // F. Sauter, Ann. Phys. 11 (1931) 454
271 // The energy of the final electron is given << 193 // The energy of the final electron is given by the initial photon energy minus
272 // the binding energy. Fluorescence de-excit << 194 // the binding energy. Fluorescence de-excitation is subsequently produced
273 // (to fill the vacancy) according to the ge 195 // (to fill the vacancy) according to the general Geant4 G4DeexcitationManager:
274 // J. Stepanek, Comp. Phys. Comm. 1206 pp 1 196 // J. Stepanek, Comp. Phys. Comm. 1206 pp 1-1-9 (1997)
275 197
276 if (fVerboseLevel > 3) << 198 if (verboseLevel > 3)
277 G4cout << "Calling SamplingSecondaries() o 199 G4cout << "Calling SamplingSecondaries() of G4PenelopePhotoElectricModel" << G4endl;
278 200
279 G4double photonEnergy = aDynamicGamma->GetKi 201 G4double photonEnergy = aDynamicGamma->GetKineticEnergy();
280 202
281 // always kill primary 203 // always kill primary
282 fParticleChange->ProposeTrackStatus(fStopAnd 204 fParticleChange->ProposeTrackStatus(fStopAndKill);
283 fParticleChange->SetProposedKineticEnergy(0. 205 fParticleChange->SetProposedKineticEnergy(0.);
284 206
285 if (photonEnergy <= fIntrinsicLowEnergyLimit 207 if (photonEnergy <= fIntrinsicLowEnergyLimit)
286 { 208 {
287 fParticleChange->ProposeLocalEnergyDepos 209 fParticleChange->ProposeLocalEnergyDeposit(photonEnergy);
288 return ; 210 return ;
289 } 211 }
290 212
291 G4ParticleMomentum photonDirection = aDynami 213 G4ParticleMomentum photonDirection = aDynamicGamma->GetMomentumDirection();
292 214
293 // Select randomly one element in the curren 215 // Select randomly one element in the current material
294 if (fVerboseLevel > 2) << 216 if (verboseLevel > 2)
295 G4cout << "Going to select element in " << 217 G4cout << "Going to select element in " << couple->GetMaterial()->GetName() << G4endl;
296 218
297 // atom can be selected efficiently if eleme 219 // atom can be selected efficiently if element selectors are initialised
298 const G4Element* anElement = 220 const G4Element* anElement =
299 SelectRandomAtom(couple,G4Gamma::GammaDefi 221 SelectRandomAtom(couple,G4Gamma::GammaDefinition(),photonEnergy);
300 G4int Z = anElement->GetZasInt(); << 222 G4int Z = (G4int) anElement->GetZ();
301 if (fVerboseLevel > 2) << 223 if (verboseLevel > 2)
302 G4cout << "Selected " << anElement->GetNam 224 G4cout << "Selected " << anElement->GetName() << G4endl;
303 << 225
304 // Select the ionised shell in the current a 226 // Select the ionised shell in the current atom according to shell cross sections
305 //shellIndex = 0 --> K shell 227 //shellIndex = 0 --> K shell
306 // 1-3 --> L shells 228 // 1-3 --> L shells
307 // 4-8 --> M shells 229 // 4-8 --> M shells
308 // 9 --> outer shells cumulative 230 // 9 --> outer shells cumulatively
309 // 231 //
310 std::size_t shellIndex = SelectRandomShell(Z << 232 size_t shellIndex = SelectRandomShell(Z,photonEnergy);
311 233
312 if (fVerboseLevel > 2) << 234 if (verboseLevel > 2)
313 G4cout << "Selected shell " << shellIndex 235 G4cout << "Selected shell " << shellIndex << " of element " << anElement->GetName() << G4endl;
314 236
315 // Retrieve the corresponding identifier and 237 // Retrieve the corresponding identifier and binding energy of the selected shell
316 const G4AtomicTransitionManager* transitionM 238 const G4AtomicTransitionManager* transitionManager = G4AtomicTransitionManager::Instance();
317 239
318 //The number of shell cross section possibly << 240 //The number of shell cross section possibly reported in the Penelope database
319 //might be different from the number of shel 241 //might be different from the number of shells in the G4AtomicTransitionManager
320 //(namely, Penelope may contain more shell, 242 //(namely, Penelope may contain more shell, especially for very light elements).
321 //In order to avoid a warning message from t << 243 //In order to avoid a warning message from the G4AtomicTransitionManager, I
322 //add this protection. Results are anyway ch 244 //add this protection. Results are anyway changed, because when G4AtomicTransitionManager
323 //has a shellID>maxID, it sets the shellID t << 245 //has a shellID>maxID, it sets the shellID to the last valid shell.
324 std::size_t numberOfShells = (std::size_t) t << 246 size_t numberOfShells = (size_t) transitionManager->NumberOfShells(Z);
325 if (shellIndex >= numberOfShells) 247 if (shellIndex >= numberOfShells)
326 shellIndex = numberOfShells-1; 248 shellIndex = numberOfShells-1;
327 249
328 const G4AtomicShell* shell = fTransitionMana 250 const G4AtomicShell* shell = fTransitionManager->Shell(Z,shellIndex);
329 G4double bindingEnergy = shell->BindingEnerg 251 G4double bindingEnergy = shell->BindingEnergy();
>> 252 //G4int shellId = shell->ShellId();
330 253
331 //Penelope considers only K, L and M shells. << 254 //Penelope considers only K, L and M shells. Cross sections of outer shells are
332 //not included in the Penelope database. If << 255 //not included in the Penelope database. If SelectRandomShell() returns
333 //shellIndex = 9, it means that an outer she << 256 //shellIndex = 9, it means that an outer shell was ionized. In this case the
334 //Penelope recipe is to set bindingEnergy = << 257 //Penelope recipe is to set bindingEnergy = 0 (the energy is entirely assigned
335 //to the electron) and to disregard fluoresc 258 //to the electron) and to disregard fluorescence.
336 if (shellIndex == 9) 259 if (shellIndex == 9)
337 bindingEnergy = 0.*eV; 260 bindingEnergy = 0.*eV;
338 261
>> 262
339 G4double localEnergyDeposit = 0.0; 263 G4double localEnergyDeposit = 0.0;
340 G4double cosTheta = 1.0; 264 G4double cosTheta = 1.0;
341 265
342 // Primary outcoming electron 266 // Primary outcoming electron
343 G4double eKineticEnergy = photonEnergy - bin 267 G4double eKineticEnergy = photonEnergy - bindingEnergy;
344 << 268
345 // There may be cases where the binding ener 269 // There may be cases where the binding energy of the selected shell is > photon energy
346 // In such cases do not generate secondaries 270 // In such cases do not generate secondaries
347 if (eKineticEnergy > 0.) 271 if (eKineticEnergy > 0.)
348 { 272 {
349 // The electron is created 273 // The electron is created
350 // Direction sampled from the Sauter dis 274 // Direction sampled from the Sauter distribution
351 cosTheta = SampleElectronDirection(eKine 275 cosTheta = SampleElectronDirection(eKineticEnergy);
352 G4double sinTheta = std::sqrt(1-cosTheta 276 G4double sinTheta = std::sqrt(1-cosTheta*cosTheta);
353 G4double phi = twopi * G4UniformRand() ; 277 G4double phi = twopi * G4UniformRand() ;
354 G4double dirx = sinTheta * std::cos(phi) 278 G4double dirx = sinTheta * std::cos(phi);
355 G4double diry = sinTheta * std::sin(phi) 279 G4double diry = sinTheta * std::sin(phi);
356 G4double dirz = cosTheta ; 280 G4double dirz = cosTheta ;
357 G4ThreeVector electronDirection(dirx,dir 281 G4ThreeVector electronDirection(dirx,diry,dirz); //electron direction
358 electronDirection.rotateUz(photonDirecti 282 electronDirection.rotateUz(photonDirection);
359 G4DynamicParticle* electron = new G4Dyna << 283 G4DynamicParticle* electron = new G4DynamicParticle (G4Electron::Electron(),
360 electronDirection, << 284 electronDirection,
361 eKineticEnergy); 285 eKineticEnergy);
362 fvect->push_back(electron); 286 fvect->push_back(electron);
363 } << 287 }
364 else << 288 else
365 bindingEnergy = photonEnergy; 289 bindingEnergy = photonEnergy;
366 290
>> 291
367 G4double energyInFluorescence = 0; //testing 292 G4double energyInFluorescence = 0; //testing purposes
368 G4double energyInAuger = 0; //testing purpos 293 G4double energyInAuger = 0; //testing purposes
369 << 294
370 //Now, take care of fluorescence, if require 295 //Now, take care of fluorescence, if required. According to the Penelope
371 //recipe, I have to skip fluoresence complet << 296 //recipe, I have to skip fluoresence completely if shellIndex == 9
372 //(= sampling of a shell outer than K,L,M) 297 //(= sampling of a shell outer than K,L,M)
373 if (fAtomDeexcitation && shellIndex<9) 298 if (fAtomDeexcitation && shellIndex<9)
374 { << 299 {
375 G4int index = couple->GetIndex(); 300 G4int index = couple->GetIndex();
376 if (fAtomDeexcitation->CheckDeexcitation 301 if (fAtomDeexcitation->CheckDeexcitationActiveRegion(index))
377 { << 302 {
378 std::size_t nBefore = fvect->size(); << 303 size_t nBefore = fvect->size();
379 fAtomDeexcitation->GenerateParticles(fvect 304 fAtomDeexcitation->GenerateParticles(fvect,shell,Z,index);
380 std::size_t nAfter = fvect->size(); << 305 size_t nAfter = fvect->size();
381 306
382 if (nAfter > nBefore) //actual production 307 if (nAfter > nBefore) //actual production of fluorescence
383 { 308 {
384 for (std::size_t j=nBefore;j<nAfter;++ << 309 for (size_t j=nBefore;j<nAfter;j++) //loop on products
385 { 310 {
386 G4double itsEnergy = ((*fvect)[j])->GetK 311 G4double itsEnergy = ((*fvect)[j])->GetKineticEnergy();
387 if (itsEnergy < bindingEnergy) // valid << 312 bindingEnergy -= itsEnergy;
388 { << 313 if (((*fvect)[j])->GetParticleDefinition() == G4Gamma::Definition())
389 bindingEnergy -= itsEnergy; << 314 energyInFluorescence += itsEnergy;
390 if (((*fvect)[j])->GetParticleDefini << 315 else if (((*fvect)[j])->GetParticleDefinition() == G4Electron::Definition())
391 energyInFluorescence += itsEnergy; << 316 energyInAuger += itsEnergy;
392 else if (((*fvect)[j])->GetParticleD << 317
393 energyInAuger += itsEnergy; <<
394 } <<
395 else //invalid secondary: takes more tha <<
396 { <<
397 delete (*fvect)[j]; <<
398 (*fvect)[j] = nullptr; <<
399 } <<
400 } 318 }
401 } 319 }
>> 320
402 } 321 }
403 } 322 }
404 323
405 //Residual energy is deposited locally 324 //Residual energy is deposited locally
406 localEnergyDeposit += bindingEnergy; 325 localEnergyDeposit += bindingEnergy;
407 << 326
408 if (localEnergyDeposit < 0) //Should not be: << 327 if (localEnergyDeposit < 0)
409 { 328 {
410 G4Exception("G4PenelopePhotoElectricMode << 329 G4cout << "WARNING - "
411 "em2099",JustWarning,"WARNING: Negative << 330 << "G4PenelopePhotoElectricModel::SampleSecondaries() - Negative energy deposit"
>> 331 << G4endl;
412 localEnergyDeposit = 0; 332 localEnergyDeposit = 0;
413 } 333 }
414 334
415 fParticleChange->ProposeLocalEnergyDeposit(l 335 fParticleChange->ProposeLocalEnergyDeposit(localEnergyDeposit);
416 336
417 if (fVerboseLevel > 1) << 337 if (verboseLevel > 1)
418 { 338 {
419 G4cout << "----------------------------- 339 G4cout << "-----------------------------------------------------------" << G4endl;
420 G4cout << "Energy balance from G4Penelop 340 G4cout << "Energy balance from G4PenelopePhotoElectric" << G4endl;
421 G4cout << "Selected shell: " << WriteTar << 341 G4cout << "Selected shell: " << WriteTargetShell(shellIndex) << " of element " <<
422 anElement->GetName() << G4endl; 342 anElement->GetName() << G4endl;
423 G4cout << "Incoming photon energy: " << 343 G4cout << "Incoming photon energy: " << photonEnergy/keV << " keV" << G4endl;
424 G4cout << "----------------------------- 344 G4cout << "-----------------------------------------------------------" << G4endl;
425 if (eKineticEnergy) 345 if (eKineticEnergy)
426 G4cout << "Outgoing electron " << eKineticEn 346 G4cout << "Outgoing electron " << eKineticEnergy/keV << " keV" << G4endl;
427 if (energyInFluorescence) 347 if (energyInFluorescence)
428 G4cout << "Fluorescence x-rays: " << energyI 348 G4cout << "Fluorescence x-rays: " << energyInFluorescence/keV << " keV" << G4endl;
429 if (energyInAuger) 349 if (energyInAuger)
430 G4cout << "Auger electrons: " << energyInAug 350 G4cout << "Auger electrons: " << energyInAuger/keV << " keV" << G4endl;
431 G4cout << "Local energy deposit " << loc 351 G4cout << "Local energy deposit " << localEnergyDeposit/keV << " keV" << G4endl;
432 G4cout << "Total final state: " << << 352 G4cout << "Total final state: " <<
433 (eKineticEnergy+energyInFluorescence+localEn << 353 (eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger)/keV <<
434 " keV" << G4endl; 354 " keV" << G4endl;
435 G4cout << "----------------------------- 355 G4cout << "-----------------------------------------------------------" << G4endl;
436 } 356 }
437 if (fVerboseLevel > 0) << 357 if (verboseLevel > 0)
438 { 358 {
439 G4double energyDiff = << 359 G4double energyDiff =
440 std::fabs(eKineticEnergy+energyInFluorescenc 360 std::fabs(eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger-photonEnergy);
441 if (energyDiff > 0.05*keV) 361 if (energyDiff > 0.05*keV)
442 { 362 {
443 G4cout << "Warning from G4PenelopePhotoEle << 363 G4cout << "Warning from G4PenelopePhotoElectric: problem with energy conservation: " <<
444 (eKineticEnergy+energyInFluorescence+loc << 364 (eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger)/keV
445 << " keV (final) vs. " << << 365 << " keV (final) vs. " <<
446 photonEnergy/keV << " keV (initial)" << 366 photonEnergy/keV << " keV (initial)" << G4endl;
447 G4cout << "------------------------------- 367 G4cout << "-----------------------------------------------------------" << G4endl;
448 G4cout << "Energy balance from G4PenelopeP 368 G4cout << "Energy balance from G4PenelopePhotoElectric" << G4endl;
449 G4cout << "Selected shell: " << WriteTarge << 369 G4cout << "Selected shell: " << WriteTargetShell(shellIndex) << " of element " <<
450 anElement->GetName() << G4endl; 370 anElement->GetName() << G4endl;
451 G4cout << "Incoming photon energy: " << ph 371 G4cout << "Incoming photon energy: " << photonEnergy/keV << " keV" << G4endl;
452 G4cout << "------------------------------- 372 G4cout << "-----------------------------------------------------------" << G4endl;
453 if (eKineticEnergy) 373 if (eKineticEnergy)
454 G4cout << "Outgoing electron " << eKinet 374 G4cout << "Outgoing electron " << eKineticEnergy/keV << " keV" << G4endl;
455 if (energyInFluorescence) 375 if (energyInFluorescence)
456 G4cout << "Fluorescence x-rays: " << ene 376 G4cout << "Fluorescence x-rays: " << energyInFluorescence/keV << " keV" << G4endl;
457 if (energyInAuger) 377 if (energyInAuger)
458 G4cout << "Auger electrons: " << energyI 378 G4cout << "Auger electrons: " << energyInAuger/keV << " keV" << G4endl;
459 G4cout << "Local energy deposit " << local 379 G4cout << "Local energy deposit " << localEnergyDeposit/keV << " keV" << G4endl;
460 G4cout << "Total final state: " << << 380 G4cout << "Total final state: " <<
461 (eKineticEnergy+energyInFluorescence+loc << 381 (eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger)/keV <<
462 " keV" << G4endl; 382 " keV" << G4endl;
463 G4cout << "------------------------------- 383 G4cout << "-----------------------------------------------------------" << G4endl;
464 } 384 }
465 } 385 }
466 } 386 }
467 387
468 //....oooOO0OOooo........oooOO0OOooo........oo 388 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
469 389
470 G4double G4PenelopePhotoElectricModel::SampleE 390 G4double G4PenelopePhotoElectricModel::SampleElectronDirection(G4double energy)
471 { 391 {
472 G4double costheta = 1.0; 392 G4double costheta = 1.0;
473 if (energy>1*GeV) return costheta; 393 if (energy>1*GeV) return costheta;
474 << 394
475 //1) initialize energy-dependent variables 395 //1) initialize energy-dependent variables
476 // Variable naming according to Eq. (2.24) o 396 // Variable naming according to Eq. (2.24) of Penelope Manual
477 // (pag. 44) 397 // (pag. 44)
478 G4double gamma = 1.0 + energy/electron_mass_ 398 G4double gamma = 1.0 + energy/electron_mass_c2;
479 G4double gamma2 = gamma*gamma; 399 G4double gamma2 = gamma*gamma;
480 G4double beta = std::sqrt((gamma2-1.0)/gamma 400 G4double beta = std::sqrt((gamma2-1.0)/gamma2);
481 << 401
482 // ac corresponds to "A" of Eq. (2.31) 402 // ac corresponds to "A" of Eq. (2.31)
483 // 403 //
484 G4double ac = (1.0/beta) - 1.0; 404 G4double ac = (1.0/beta) - 1.0;
485 G4double a1 = 0.5*beta*gamma*(gamma-1.0)*(ga 405 G4double a1 = 0.5*beta*gamma*(gamma-1.0)*(gamma-2.0);
486 G4double a2 = ac + 2.0; 406 G4double a2 = ac + 2.0;
487 G4double gtmax = 2.0*(a1 + 1.0/ac); 407 G4double gtmax = 2.0*(a1 + 1.0/ac);
488 << 408
489 G4double tsam = 0; 409 G4double tsam = 0;
490 G4double gtr = 0; 410 G4double gtr = 0;
491 411
492 //2) sampling. Eq. (2.31) of Penelope Manual 412 //2) sampling. Eq. (2.31) of Penelope Manual
493 // tsam = 1-std::cos(theta) 413 // tsam = 1-std::cos(theta)
494 // gtr = rejection function according to Eq. 414 // gtr = rejection function according to Eq. (2.28)
495 do{ 415 do{
496 G4double rand = G4UniformRand(); 416 G4double rand = G4UniformRand();
497 tsam = 2.0*ac * (2.0*rand + a2*std::sqrt(r 417 tsam = 2.0*ac * (2.0*rand + a2*std::sqrt(rand)) / (a2*a2 - 4.0*rand);
498 gtr = (2.0 - tsam) * (a1 + 1.0/(ac+tsam)); 418 gtr = (2.0 - tsam) * (a1 + 1.0/(ac+tsam));
499 }while(G4UniformRand()*gtmax > gtr); 419 }while(G4UniformRand()*gtmax > gtr);
500 costheta = 1.0-tsam; 420 costheta = 1.0-tsam;
>> 421
501 422
502 return costheta; 423 return costheta;
503 } 424 }
504 425
505 //....oooOO0OOooo........oooOO0OOooo........oo 426 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
506 427
507 void G4PenelopePhotoElectricModel::ReadDataFil 428 void G4PenelopePhotoElectricModel::ReadDataFile(G4int Z)
508 { 429 {
509 if (!IsMaster()) << 430 if (verboseLevel > 2)
510 //Should not be here! <<
511 G4Exception("G4PenelopePhotoElectricModel: <<
512 "em0100",FatalException,"Worker thread in <<
513 <<
514 if (fVerboseLevel > 2) <<
515 { 431 {
516 G4cout << "G4PenelopePhotoElectricModel: 432 G4cout << "G4PenelopePhotoElectricModel::ReadDataFile()" << G4endl;
517 G4cout << "Going to read PhotoElectric d 433 G4cout << "Going to read PhotoElectric data files for Z=" << Z << G4endl;
518 } 434 }
519 << 435
520 const char* path = G4FindDataDir("G4LEDATA << 436 char* path = getenv("G4LEDATA");
521 if(!path) << 437 if (!path)
522 { 438 {
523 G4String excep = "G4PenelopePhotoElectri 439 G4String excep = "G4PenelopePhotoElectricModel - G4LEDATA environment variable not set!";
524 G4Exception("G4PenelopePhotoElectricMode 440 G4Exception("G4PenelopePhotoElectricModel::ReadDataFile()",
525 "em0006",FatalException,excep); 441 "em0006",FatalException,excep);
526 return; 442 return;
527 } 443 }
528 << 444
529 /* 445 /*
530 Read the cross section file 446 Read the cross section file
531 */ 447 */
532 std::ostringstream ost; 448 std::ostringstream ost;
533 if (Z>9) 449 if (Z>9)
534 ost << path << "/penelope/photoelectric/pd 450 ost << path << "/penelope/photoelectric/pdgph" << Z << ".p08";
535 else 451 else
536 ost << path << "/penelope/photoelectric/pd 452 ost << path << "/penelope/photoelectric/pdgph0" << Z << ".p08";
537 std::ifstream file(ost.str().c_str()); 453 std::ifstream file(ost.str().c_str());
538 if (!file.is_open()) 454 if (!file.is_open())
539 { 455 {
540 G4String excep = "G4PenelopePhotoElectri 456 G4String excep = "G4PenelopePhotoElectricModel - data file " + G4String(ost.str()) + " not found!";
541 G4Exception("G4PenelopePhotoElectricMode 457 G4Exception("G4PenelopePhotoElectricModel::ReadDataFile()",
542 "em0003",FatalException,excep); 458 "em0003",FatalException,excep);
543 } 459 }
544 //I have to know in advance how many points 460 //I have to know in advance how many points are in the data list
545 //to initialize the G4PhysicsFreeVector() 461 //to initialize the G4PhysicsFreeVector()
546 std::size_t ndata=0; << 462 size_t ndata=0;
547 G4String line; 463 G4String line;
548 while( getline(file, line) ) 464 while( getline(file, line) )
549 ndata++; 465 ndata++;
550 ndata -= 1; 466 ndata -= 1;
551 //G4cout << "Found: " << ndata << " lines" < 467 //G4cout << "Found: " << ndata << " lines" << G4endl;
552 468
553 file.clear(); 469 file.clear();
554 file.close(); 470 file.close();
555 file.open(ost.str().c_str()); 471 file.open(ost.str().c_str());
556 472
557 G4int readZ =0; 473 G4int readZ =0;
558 std::size_t nShells= 0; << 474 size_t nShells= 0;
559 file >> readZ >> nShells; 475 file >> readZ >> nShells;
560 476
561 if (fVerboseLevel > 3) << 477 if (verboseLevel > 3)
562 G4cout << "Element Z=" << Z << " , nShells 478 G4cout << "Element Z=" << Z << " , nShells = " << nShells << G4endl;
563 479
564 //check the right file is opened. 480 //check the right file is opened.
565 if (readZ != Z || nShells <= 0 || nShells > 481 if (readZ != Z || nShells <= 0 || nShells > 50) //protect nShell against large values
566 { 482 {
567 G4ExceptionDescription ed; 483 G4ExceptionDescription ed;
568 ed << "Corrupted data file for Z=" << Z 484 ed << "Corrupted data file for Z=" << Z << G4endl;
569 G4Exception("G4PenelopePhotoElectricMode 485 G4Exception("G4PenelopePhotoElectricModel::ReadDataFile()",
570 "em0005",FatalException,ed); 486 "em0005",FatalException,ed);
571 return; 487 return;
572 } 488 }
573 G4PhysicsTable* thePhysicsTable = new G4Phys 489 G4PhysicsTable* thePhysicsTable = new G4PhysicsTable();
574 << 490
575 //the table has to contain nShell+1 G4Physic << 491 //the table has to contain nShell+1 G4PhysicsFreeVectors,
576 //(theTable)[0] --> total cross section 492 //(theTable)[0] --> total cross section
577 //(theTable)[ishell] --> cross section for s 493 //(theTable)[ishell] --> cross section for shell (ishell-1)
578 494
579 //reserve space for the vectors 495 //reserve space for the vectors
580 //everything is log-log 496 //everything is log-log
581 for (std::size_t i=0;i<nShells+1;++i) << 497 for (size_t i=0;i<nShells+1;i++)
582 thePhysicsTable->push_back(new G4PhysicsFr 498 thePhysicsTable->push_back(new G4PhysicsFreeVector(ndata));
583 499
584 std::size_t k =0; << 500 size_t k =0;
585 for (k=0;k<ndata && !file.eof();++k) << 501 for (k=0;k<ndata && !file.eof();k++)
586 { 502 {
587 G4double energy = 0; 503 G4double energy = 0;
588 G4double aValue = 0; 504 G4double aValue = 0;
589 file >> energy ; 505 file >> energy ;
590 energy *= eV; 506 energy *= eV;
591 G4double logene = G4Log(energy); << 507 G4double logene = std::log(energy);
592 //loop on the columns 508 //loop on the columns
593 for (std::size_t i=0;i<nShells+1;++i) << 509 for (size_t i=0;i<nShells+1;i++)
594 { 510 {
595 file >> aValue; 511 file >> aValue;
596 aValue *= barn; 512 aValue *= barn;
597 G4PhysicsFreeVector* theVec = (G4PhysicsFr << 513 G4PhysicsFreeVector* theVec = (G4PhysicsFreeVector*) ((*thePhysicsTable)[i]);
598 if (aValue < 1e-40*cm2) //protection again 514 if (aValue < 1e-40*cm2) //protection against log(0)
599 aValue = 1e-40*cm2; 515 aValue = 1e-40*cm2;
600 theVec->PutValue(k,logene,G4Log(aValue)); << 516 theVec->PutValue(k,logene,std::log(aValue));
601 } 517 }
602 } 518 }
603 519
604 if (fVerboseLevel > 2) << 520 if (verboseLevel > 2)
605 { 521 {
606 G4cout << "G4PenelopePhotoElectricModel: << 522 G4cout << "G4PenelopePhotoElectricModel: read " << k << " points for element Z = "
607 << Z << G4endl; 523 << Z << G4endl;
608 } 524 }
609 525
610 fLogAtomicShellXS[Z] = thePhysicsTable; << 526 logAtomicShellXS->insert(std::make_pair(Z,thePhysicsTable));
611 << 527
612 file.close(); 528 file.close();
613 return; 529 return;
614 } 530 }
615 531
616 //....oooOO0OOooo........oooOO0OOooo........oo 532 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
617 533
618 std::size_t G4PenelopePhotoElectricModel::GetN << 534 size_t G4PenelopePhotoElectricModel::SelectRandomShell(G4int Z,G4double energy)
619 { 535 {
620 if (!IsMaster()) << 536 G4double logEnergy = std::log(energy);
621 //Should not be here! << 537
622 G4Exception("G4PenelopePhotoElectricModel: << 538 //Check if data have been read (it should be!)
623 "em0100",FatalException,"Worker thread in << 539 if (!logAtomicShellXS->count(Z))
>> 540 {
>> 541 G4ExceptionDescription ed;
>> 542 ed << "Cannot find shell cross section data for Z=" << Z << G4endl;
>> 543 G4Exception("G4PenelopePhotoElectricModel::SelectRandomShell()",
>> 544 "em2038",FatalException,ed);
>> 545 }
>> 546
>> 547 size_t shellIndex = 0;
>> 548
>> 549 G4PhysicsTable* theTable = logAtomicShellXS->find(Z)->second;
>> 550
>> 551 G4DataVector* tempVector = new G4DataVector();
>> 552
>> 553 G4double sum = 0;
>> 554 //loop on shell partial XS, retrieve the value for the given energy and store on
>> 555 //a temporary vector
>> 556 tempVector->push_back(sum); //first element is zero
>> 557
>> 558 G4PhysicsFreeVector* totalXSLog = (G4PhysicsFreeVector*) (*theTable)[0];
>> 559 G4double logXS = totalXSLog->Value(logEnergy);
>> 560 G4double totalXS = std::exp(logXS);
>> 561
>> 562 //Notice: totalXS is the total cross section and it does *not* correspond to
>> 563 //the sum of partialXS's, since these include only K, L and M shells.
>> 564 //
>> 565 // Therefore, here one have to consider the possibility of ionisation of
>> 566 // an outer shell. Conventionally, it is indicated with id=10 in Penelope
>> 567 //
>> 568
>> 569 for (size_t k=1;k<theTable->entries();k++)
>> 570 {
>> 571 G4PhysicsFreeVector* partialXSLog = (G4PhysicsFreeVector*) (*theTable)[k];
>> 572 G4double logXS = partialXSLog->Value(logEnergy);
>> 573 G4double partialXS = std::exp(logXS);
>> 574 sum += partialXS;
>> 575 tempVector->push_back(sum);
>> 576 }
>> 577
>> 578 tempVector->push_back(totalXS); //last element
624 579
>> 580 G4double random = G4UniformRand()*totalXS;
>> 581
>> 582 /*
>> 583 for (size_t i=0;i<tempVector->size(); i++)
>> 584 G4cout << i << " " << (*tempVector)[i]/totalXS << G4endl;
>> 585 */
>> 586
>> 587 //locate bin of tempVector
>> 588 //Now one has to sample according to the elements in tempVector
>> 589 //This gives the left edge of the interval...
>> 590 size_t lowerBound = 0;
>> 591 size_t upperBound = tempVector->size()-1;
>> 592 while (lowerBound <= upperBound)
>> 593 {
>> 594 size_t midBin = (lowerBound + upperBound)/2;
>> 595 if( random < (*tempVector)[midBin])
>> 596 upperBound = midBin-1;
>> 597 else
>> 598 lowerBound = midBin+1;
>> 599 }
>> 600
>> 601 shellIndex = upperBound;
>> 602
>> 603 delete tempVector;
>> 604 return shellIndex;
>> 605 }
>> 606
>> 607 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 608
>> 609 size_t G4PenelopePhotoElectricModel::GetNumberOfShellXS(G4int Z)
>> 610 {
625 //read data files 611 //read data files
626 if (!fLogAtomicShellXS[Z]) << 612 if (!logAtomicShellXS->count(Z))
627 ReadDataFile(Z); 613 ReadDataFile(Z);
628 //now it should be ok 614 //now it should be ok
629 if (!fLogAtomicShellXS[Z]) << 615 if (!logAtomicShellXS->count(Z))
630 { 616 {
631 G4ExceptionDescription ed; 617 G4ExceptionDescription ed;
632 ed << "Cannot find shell cross section 618 ed << "Cannot find shell cross section data for Z=" << Z << G4endl;
633 G4Exception("G4PenelopePhotoElectricMod 619 G4Exception("G4PenelopePhotoElectricModel::GetNumberOfShellXS()",
634 "em2038",FatalException,ed); 620 "em2038",FatalException,ed);
635 } 621 }
636 //one vector is allocated for the _total_ cr 622 //one vector is allocated for the _total_ cross section
637 std::size_t nEntries = fLogAtomicShellXS[Z]- << 623 size_t nEntries = logAtomicShellXS->find(Z)->second->entries();
638 return (nEntries-1); 624 return (nEntries-1);
639 } 625 }
640 626
641 //....oooOO0OOooo........oooOO0OOooo........oo 627 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
642 628
643 G4double G4PenelopePhotoElectricModel::GetShel << 629 G4double G4PenelopePhotoElectricModel::GetShellCrossSection(G4int Z,size_t shellID,G4double energy)
644 { 630 {
645 //this forces also the loading of the data 631 //this forces also the loading of the data
646 std::size_t entries = GetNumberOfShellXS(Z); << 632 size_t entries = GetNumberOfShellXS(Z);
647 633
648 if (shellID >= entries) 634 if (shellID >= entries)
649 { 635 {
650 G4cout << "Element Z=" << Z << " has dat 636 G4cout << "Element Z=" << Z << " has data for " << entries << " shells only" << G4endl;
651 G4cout << "so shellID should be from 0 t 637 G4cout << "so shellID should be from 0 to " << entries-1 << G4endl;
652 return 0; 638 return 0;
653 } 639 }
654 << 640
655 G4PhysicsTable* theTable = fLogAtomicShellX << 641 G4PhysicsTable* theTable = logAtomicShellXS->find(Z)->second;
656 //[0] is the total XS, shellID is in the ele 642 //[0] is the total XS, shellID is in the element [shellID+1]
657 G4PhysicsFreeVector* totalXSLog = (G4Physics 643 G4PhysicsFreeVector* totalXSLog = (G4PhysicsFreeVector*) (*theTable)[shellID+1];
658 << 644
659 if (!totalXSLog) 645 if (!totalXSLog)
660 { 646 {
661 G4Exception("G4PenelopePhotoElectricMod 647 G4Exception("G4PenelopePhotoElectricModel::GetShellCrossSection()",
662 "em2039",FatalException, 648 "em2039",FatalException,
663 "Unable to retrieve the total cross sec 649 "Unable to retrieve the total cross section table");
664 return 0; 650 return 0;
665 } 651 }
666 G4double logene = G4Log(energy); << 652 G4double logene = std::log(energy);
667 G4double logXS = totalXSLog->Value(logene); 653 G4double logXS = totalXSLog->Value(logene);
668 G4double cross = G4Exp(logXS); << 654 G4double cross = std::exp(logXS);
669 if (cross < 2e-40*cm2) cross = 0; 655 if (cross < 2e-40*cm2) cross = 0;
670 return cross; 656 return cross;
671 } 657 }
672 658
673 //....oooOO0OOooo........oooOO0OOooo........oo 659 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
674 660
675 G4String G4PenelopePhotoElectricModel::WriteTa << 661 G4String G4PenelopePhotoElectricModel::WriteTargetShell(size_t shellID)
676 { 662 {
677 G4String theShell = "outer shell"; 663 G4String theShell = "outer shell";
678 if (shellID == 0) 664 if (shellID == 0)
679 theShell = "K"; 665 theShell = "K";
680 else if (shellID == 1) 666 else if (shellID == 1)
681 theShell = "L1"; 667 theShell = "L1";
682 else if (shellID == 2) 668 else if (shellID == 2)
683 theShell = "L2"; 669 theShell = "L2";
684 else if (shellID == 3) 670 else if (shellID == 3)
685 theShell = "L3"; 671 theShell = "L3";
686 else if (shellID == 4) 672 else if (shellID == 4)
687 theShell = "M1"; 673 theShell = "M1";
688 else if (shellID == 5) 674 else if (shellID == 5)
689 theShell = "M2"; 675 theShell = "M2";
690 else if (shellID == 6) 676 else if (shellID == 6)
691 theShell = "M3"; 677 theShell = "M3";
692 else if (shellID == 7) 678 else if (shellID == 7)
693 theShell = "M4"; 679 theShell = "M4";
694 else if (shellID == 8) 680 else if (shellID == 8)
695 theShell = "M5"; 681 theShell = "M5";
696 << 682
697 return theShell; 683 return theShell;
698 } <<
699 <<
700 //....oooOO0OOooo........oooOO0OOooo........oo <<
701 <<
702 void G4PenelopePhotoElectricModel::SetParticle <<
703 { <<
704 if(!fParticle) { <<
705 fParticle = p; <<
706 } <<
707 } <<
708 <<
709 //....oooOO0OOooo........oooOO0OOooo........oo <<
710 <<
711 std::size_t G4PenelopePhotoElectricModel::Sele <<
712 { <<
713 G4double logEnergy = G4Log(energy); <<
714 <<
715 //Check if data have been read (it should be <<
716 if (!fLogAtomicShellXS[Z]) <<
717 { <<
718 G4ExceptionDescription ed; <<
719 ed << "Cannot find shell cross section <<
720 G4Exception("G4PenelopePhotoElectricMod <<
721 "em2038",FatalException,ed); <<
722 } <<
723 <<
724 G4PhysicsTable* theTable = fLogAtomicShellX <<
725 <<
726 G4double sum = 0; <<
727 G4PhysicsFreeVector* totalXSLog = (G4Physics <<
728 G4double logXS = totalXSLog->Value(logEnergy <<
729 G4double totalXS = G4Exp(logXS); <<
730 <<
731 //Notice: totalXS is the total cross section <<
732 //the sum of partialXS's, since these includ <<
733 // <<
734 // Therefore, here one have to consider the <<
735 // an outer shell. Conventionally, it is ind <<
736 // <<
737 G4double random = G4UniformRand()*totalXS; <<
738 <<
739 for (std::size_t k=1;k<theTable->entries();+ <<
740 { <<
741 //Add one shell <<
742 G4PhysicsFreeVector* partialXSLog = (G4P <<
743 G4double logXSLocal = partialXSLog->Valu <<
744 G4double partialXS = G4Exp(logXSLocal); <<
745 sum += partialXS; <<
746 if (random <= sum) <<
747 return k-1; <<
748 } <<
749 //none of the shells K, L, M: return outer s <<
750 return 9; <<
751 } 684 }
752 685